Denture press



Oct. 16, 1928. 1,688,070

` L. A. CREMER DENTURE PRESS Filed Deo. 28, 1926 3 Sheets-Sheet 1 @Hoz mm1 L. A. CRI-:MER

DENTURE PRES S Filed Dec. 28, 1926 Sheets-Sheet 2 gvwemtofp Patented Oct. 16, 1928.

UNITED "STATES,

LEONARD A. CREMER, OF PORTLAND, OREGON, ASSIGNOR OF ONE'HALF SEMLEIL OF PORTLAND, OREGON.

DEN TUBE PRESS.

PATENT? ori-ffice.. l

Application filed'December 28, 1926. 'Serial No. 157,490.

ary and adjustable elements, anda dial in dicator indicating'the relative position )f the movable elementand means to maintain the stationary and the movable elements in alignment. 1 l

A furtherl object of my invention consists in providing a denture press for'th'e I nanufacturing of artificial dentures, consisting of a plurality'of liask holders,'means for applymg heat andpressure duringthe manufacturing process and 'means for indicating thevpressure andthe temperature, and the relative locations of the supporting and pressure applying elements. y

A still further object of my invention consists of a new, novel and efficient means "for the manufacturing of artilicialdentures, con

sisting of related elements for quantity proj duction of artificial dentures that will be uniform in density and uniform'in accuracy.

l/Vith these and incidental objects in'view,`

invention consists in certain novelv the features of construction and combination' of parts, the essential elements 'of which are set forth in the appended claims, and a. preferred form of embodiment-of'which is hereinafter shown with reference to the drawings which accompany and'form apart'ofwthis specification. In the drawings Fig. 1 is a. side elevation of my assembled device. y

Fig. 2 is a top planj view of the mechanism .illustrated in Fig; 1.

vation, takenon line 57-5 of Fig. 4, looking ii-n the direction 'Y indicated.

Fifa; 6 isa cross section view, taken on' line iiofFig.l 3,looking in the direction infi dicated.

y"Fig.f7 is'a cross Vsection view, taken. on line 7-7 of vF 3,.lookir1g.inY thefdirection indicated.

lLike Vreference characters refer to likel parts throughoutpthe several views. I preferably form the primarysectionof To HARRY my. pressure tank 1, cylindrical in form, and f place ahead 2, in the' lower section ofthe same and secure the extending walls'B of ythe head, to the primary wall'l of the tank by any suitable means, as by riveting or by welding, or by any other suitable means;

pockets 4 being disposed in eitherside of the head for thereception of aligning rods.vv

5 and 6. Aligning rods 5 and'Glengagewithr the pockets 4 of the head and are secured on their upper ends to the removable closure 7, which has a downwardly vprojecting flange 8 adapted to-engage on the .inner side'of the sure tank elementl.l The closure' head .7

as by weldingor riveting, and ears 13 and 14 project outwardly therefrom and are iny 'registerable alignmentewith the rears 9 and 10. Ears 13 and14 arein spacedl relation-` ship with eachother, to .permit offtheengagement'of the threaded member"15 there- 'between that is in Vhinged relationship with thepin 11. An adjusting thumb-nut' 16 having. a collar 17Jdisposed thereupon-is vin threaded relationship .with the threaded niember'15, and engages the underside of thoears 9' and 10 to apply theinitial' pries. sure between the closure 7 and the pressure i tank 1. A Ypressure' hand wh`ce1`18 vengages the shank 19 which is in threaded relationship with the closure 7 closure 7 by the insertion of suitable packing material within' the lspace* 21, disposed about the shank 19. Packing should also be inserted within the space 22 disposed bepressuretank and havingv a grove 'formed vtherein to. receive the uper end of the presas indicated in Fig. 3. A gland nut y2() maintains a.V steam, `tight joint between 4the shank 19 and the the bottom by cross member i! lmembers having` pressure applied Vtherebev'within the tank a blow oil valve e.

tween the band l2 and the closure 7, to maintain a` steam tight joint at that location also, closure .7 are two pairs oit outwardly ei;- tending` 'supporting elements and Qd, having a pocket associated therewith, into which the head 2G or the llask support 2T made to engage. rllhe ilask supports having inwardly extending lugs 28 .upon which the su pportingg' plate 29 Ymade to engage and upon which Vthe llask containing the artilicial denture rests. Disposed upon the lower end of the threaded spindle or shank 19, is ahead 30 having its side members 3l and 3Q, the same beim@` secured together at Inwardly extending lugs -lsl are oppositely disposed upon the side members 3ly and 32, the object of which is me with the upper side s lv so c of the flask conta= i the artilicial denture. Ifluide lugs are disposed upon the outside oi" the side members 3l and 32 and engage about thj guide rods 5 and 6 and are ,1-'11 1 L ,ea H Y sul tu i ,J2 in s uam, mamon ,ien is i, c onces ci wl ch is tomamtain the nr 11b-irs in alignment and to prevent the skewi eicnA prevontthe Adevelopment of undue pressure is associated with the closure and a ten'iperature gauge 38 is also assoiiated withv the closure 'Z' to determine the amount oil" temperature developed within the tank. ldlhen the proper temperature has been developedto soliton `and make pliable the blank from which the artiliciai denture is to be made, pressure is then applied to the hand wheel lll, the amount of longitudinal movement imparted tothe shank lvmay be indicated by 'the pointer 39 in 'registering alignment rwith the graduated surface upon the shank 19.

An outside shell 4l() may be placedL adjacent the band l2 and having an outwardly extending; flange ll disposed upon the lower side thereof. To maintain the band l0 .in spaced relationship with the primary tank l, a suitable annular band 42 is placed between the primary tank l and the band 40. rllhe band l0 may be made of copper or other sult- V able material that will take and maintain a the appearance lisposed on the under side of the Lesaovo it is normally residing; within said vessel, plates y carried by said supports and one below the other, side members vertically shiltable rela.- tive to said plates, including relatively stationary rods formingl guides tor said side members, said ,fide members beingI each provided with individual means projecting above individual plates adapt :tor'bearing upon flasks resting` thereupon when said side members lowered,and screw means tending through said cover for raising,l andr loweringl said side members. L

2.111 a denture press, a boiler, a cover therefor includingmeans for removablyfse# curing` the cover to the boiler, flask supports, said llask supports being in the nature oi' upright bars or rods each detachably secured by its upper endl to, the innerside Vot the aforesaid cover, a multiple vot horizontally disposed, vertically spaced plates, eachtorming a support tor a denture flask supports,

clamping members residing aboveandmovable toward each plate and in cooperation therewith forming means for clamping,` flask resting' on each ot said platea and means extending through saidV cover tor moveA ing said clamping members as aforesaid;

8. In a Vdenture press, a heatresisting,` vessel including a cover removably Vsecured thereto, a multiple ot plates each forming a llask support supportedl from the 4inner side ot said cover and spaced one below the other, a shank threaded through said cover, ahead upon the lower end ot saidshank,

a pair ot' spaced side members extending" downwardly from said head, inwardly er;-

K tending lugs formed upon each side member,

one upon each side member being spaced above each plate aforesaid,l and 'moving thereto when said shank is threaderL downwardly through saidv cover; a pair ot` vertical rods eachitorming a guide -for one-ol"I the aforesaid side members and preventing its movement about the vertical axis'- ot .the aforesaid shank, means for -manipulating said shank for the purpose of lowering'said side members, whereby each of the aforesaid lugs may be caused to bear upon atlask restin?,` upon one oit' the aforesaid plates toward which each ot said lugs are caused to move, and means for indicating the limit of downward movement ot said side members.

LEONARD A. CREMER..

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